Expanding wall channel



FIG. 1 is a front, top perspective view of a first embodiment of anexpanding wall channel with the channel in an unexpanded configuration.

FIG. 2 is a top view thereof.

FIG. 3 is a bottom view thereof.

FIG. 4 is a view of one side thereof.

FIG. 5 is view of the opposite side thereof.

FIG. 6 is a front view thereof.

FIG. 7 is a back view thereof; and,

FIG. 8 is a front, top perspective view thereof with the channel in anexpanded configuration.

Break lines are used in the drawings to indicate that any portions notshown between the paired break lines form no part of the claimed design.

CLAIM The ornamental design for an expanding wall channel, as shown anddescribed.